java下实现调用oracle的存储过程和函数

在oracle下创建一个test的账户，然后

1.创建表：STOCK_PRICES

--创建表格CREATE TABLE STOCK_PRICES(    RIC VARCHAR(6) PRIMARY KEY,    PRICE NUMBER(7,2),    UPDATED DATE );

2.插入测试数据：

--插入数据INSERT INTO stock_prices values('1111',1.0,SYSDATE);INSERT INTO stock_prices values('1112',2.0,SYSDATE);INSERT INTO stock_prices values('1113',3.0,SYSDATE);INSERT INTO stock_prices values('1114',4.0,SYSDATE);

3.建立一个返回游标： 

PKG_PUB_UTILS

--建立一个返回游标CREATE OR REPLACE PACKAGE PKG_PUB_UTILS IS    --动态游标    TYPE REFCURSOR IS REF CURSOR;END PKG_PUB_UTILS;

4.创建和存储过程：P_GET_PRICE

--创建存储过程CREATE OR REPLACE PROCEDURE P_GET_PRICE(  AN_O_RET_CODE OUT NUMBER,  AC_O_RET_MSG  OUT VARCHAR2,  CUR_RET OUT PKG_PUB_UTILS.REFCURSOR,  AN_I_PRICE IN NUMBER) ISBEGIN    AN_O_RET_CODE := 0;    AC_O_RET_MSG  := '操作成功';        OPEN CUR_RET FOR        SELECT * FROM STOCK_PRICES WHERE PRICE<AN_I_PRICE;EXCEPTION    WHEN OTHERS THEN        AN_O_RET_CODE := -1;        AC_O_RET_MSG  := '错误代码:' || SQLCODE || CHR(13) || '错误信息:' || SQLERRM;END P_GET_PRICE;

5.创建函数：

--创建函数：F_GET_PRICECREATE OR REPLACE FUNCTION F_GET_PRICE(v_price IN NUMBER)    RETURN PKG_PUB_UTILS.REFCURSORAS    stock_cursor PKG_PUB_UTILS.REFCURSOR;BEGIN    OPEN stock_cursor FOR    SELECT * FROM stock_prices WHERE price < v_price;    RETURN stock_cursor;END;

6.JAVA调用存储过程返回结果集

JDBCoracle10G_INVOKEPROCEDURE.java

import java.sql.*;import oracle.jdbc.OracleCallableStatement;import oracle.jdbc.OracleTypes;/* 本例是通过调用oracle的存储过程来返回结果集: * oracle 9i、10G 的jdbc由1个jar包组成：classes12.zip */public class JDBCoracle10G_INVOKEPROCEDURE {Connection conn = null;Statement statement = null;ResultSet rs = null;CallableStatement stmt = null;String driver;String url;String user;String pwd;String sql;String in_price;public JDBCoracle10G_INVOKEPROCEDURE() {driver = "oracle.jdbc.driver.OracleDriver";url = "jdbc:oracle:thin:@localhost:1521:ORCL";// oracle 用户user = "test";// oracle 密码pwd = "test";init();// mysid：必须为要连接机器的sid名称，否则会包以下错：// java.sql.SQLException: Io 异常: Connection// refused(DESCRIPTION=(TMP=)(VSNNUM=169870080)(ERR=12505)(ERROR_STACK=(ERROR=(CODE=12505)(EMFI=4))))// 参考连接方式:// Class.forName( "oracle.jdbc.driver.OracleDriver" );// cn = DriverManager.getConnection(// "jdbc:oracle:thin:@MyDbComputerNameOrIP:1521:ORCL", sUsr, sPwd );}public void init() {System.out.println("oracle jdbc test");try {Class.forName(driver);System.out.println("driver is ok");conn = DriverManager.getConnection(url, user, pwd);System.out.println("conection is ok");statement = conn.createStatement();// conn.setAutoCommit(false);// 输入参数in_price = "3.0";// 调用函数stmt = conn.prepareCall("call P_GET_PRICE(?,?,?,?)");stmt.registerOutParameter(1, java.sql.Types.FLOAT);stmt.registerOutParameter(2, java.sql.Types.CHAR);stmt.registerOutParameter(3, oracle.jdbc.OracleTypes.CURSOR);stmt.setString(4, in_price);stmt.executeUpdate();int retCode = stmt.getInt(1);String retMsg = stmt.getString(2);if (retCode == -1) { // 如果出错时，返回错误信息System.out.println("报错！");} else {// 取的结果集的方式一：rs = ((OracleCallableStatement) stmt).getCursor(3);// 取的结果集的方式二：// rs = (ResultSet) stmt.getObject(3);String ric;String price;String updated;// 对结果进行输出while (rs.next()) {ric = rs.getString(1);price = rs.getString(2);updated = rs.getString(3);System.out.println("ric:" + ric + ";-- price:" + price+ "; --" + updated + "; ");}}} catch (Exception e) {e.printStackTrace();} finally {System.out.println("close ");}}public static void main(String args[])// 自己替换［］{new JDBCoracle10G_INVOKEPROCEDURE();}}

7.开发JAVA调用函数返回结果集

JDBCoracle10G_INVOKEFUNCTION.java

import java.sql.*;import oracle.jdbc.OracleCallableStatement;import oracle.jdbc.OracleTypes;/* /* 本例是通过调用oracle的函数来返回结果集: * oracle 9i、10G 的jdbc由1个jar包组成：classes12.zip   */public class JDBCoracle10G_INVOKEFUNCTION {Connection conn = null;Statement statement = null;ResultSet rs = null;CallableStatement stmt = null;String driver;String url;String user;String pwd;String sql;String in_price;public JDBCoracle10G_INVOKEFUNCTION(){driver = "oracle.jdbc.driver.OracleDriver";url = "jdbc:oracle:thin:@localhost:1521:ORCL";// oracle 用户user = "test";// oracle 密码pwd = "test";init();// mysid：必须为要连接机器的sid名称，否则会包以下错：// java.sql.SQLException: Io 异常: Connection// refused(DESCRIPTION=(TMP=)(VSNNUM=169870080)(ERR=12505)(ERROR_STACK=(ERROR=(CODE=12505)(EMFI=4))))// 参考连接方式:// Class.forName( "oracle.jdbc.driver.OracleDriver" );// cn = DriverManager.getConnection(// "jdbc:oracle:thin:@MyDbComputerNameOrIP:1521:ORCL", sUsr, sPwd );}public void init() {System.out.println("oracle jdbc test");try {Class.forName(driver);System.out.println("driver is ok");conn = DriverManager.getConnection(url, user, pwd);System.out.println("conection is ok");statement = conn.createStatement();// conn.setAutoCommit(false);// 输入参数in_price = "5.0";// 调用函数stmt = conn.prepareCall("{? = call F_GET_PRICE(?)}");// stmt.registerOutParameter(1, java.sql.Types.FLOAT);// stmt.registerOutParameter(2, java.sql.Types.CHAR);stmt.registerOutParameter(1, oracle.jdbc.OracleTypes.CURSOR);stmt.setString(2, in_price);stmt.executeUpdate();// 取的结果集的方式一：rs = ((OracleCallableStatement) stmt).getCursor(1);// 取的结果集的方式二：// rs = (ResultSet) stmt.getObject(1);String ric;String price;String updated;while (rs.next()) {ric = rs.getString(1);price = rs.getString(2);updated = rs.getString(3);System.out.println("ric:" + ric + ";-- price:" + price + "; --"+ updated + "; ");}} catch (Exception e) {e.printStackTrace();} finally {System.out.println("close ");}}public static void main(String args[])// 自己替换［］{new JDBCoracle10G_INVOKEFUNCTION();}}